[Dnsmasq-discuss] Feature Request?

[Paul Chambers]

I'd like to do something vaguely similar, though in my case it's sending 
requests in a particular domain to a given pair of servers, only when a 
vpn is up (e.g. tun0). If the VPN isn't up, those servers are not 
reachable anyhow.

I noticed the 'server=/<domain>/<ipaddr>@<interface>' variant in the 
docs, but haven't had the time to investigate how it behaves if the 
interface in question is down.

This is also something pdnsd can do, but dnsmasq is a much better tool 
for my needs in just about every respect, and I'd really prefer not to 
have to run both.

Paul

Jorge Bastos wrote:
>
> Hi,
>
> Simon, i'd like to ask for a feature if not implemented yet.
>
> I've saw in other dns/dns proxy servers, the ability to serve an IP 
> when certain DNS host is down/doesn't respond.
>
> Is it possible for dnsmasq, to do this, with two parameters, one for 
> on/off the feature, and the 2^nd to specify the host/IP for the response.
>
> With this I could for example, inside my network, redirect all broken 
> DNS's to my webserver specifying a host and do a webpage explaining 
> what happened.
>
>  
>
> Is this possible?
>
>  
>
> Thanks in advanced,
>
> Jorge
>
>  
>
> PS: I saw it here, and it's something that will be very handy for me, 
> and I'm sure for other because of dns problems.
>
> ---
>
> *About:* pdnsd is a Proxy DNS server for Linux and FreeBSD that is 
> designed to cope with unreacheable nameservers (e.g. because the 
> dial-in link is not up) in a graceful manner to prevent DNS-dependent 
> applications like Netscape from hanging. It has a permanent disk cache 
> and supports parallel query and a wide variety of link uptests. It 
> also has the ability to serve some local records.
>

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